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The potential risk of international spread of Mycobacterium bovis associated with movement of alpacas

Monika Krajewska-Wędzina

Monika Krajewska-Wędzina

Department of MicrobiologyPuławy, Poland
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Krajewska-Wędzina, Monika
, 
Michele A. Miller

Michele A. Miller

Department of Science and Technology-National Research Foundation Centre of Excellence for Biomedical TB Research, South African Medical Research Council Centre for Tuberculosis Research, Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, Stellenbosch University8000, South Africa
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Miller, Michele A.
, 
Anna Didkowska

Anna Didkowska

Department of Food Hygiene and Public Health Protection, Institute of Veterinary Medicine, Warsaw University of Life SciencesWarsaw, Poland
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Didkowska, Anna
, 
Anna Kycko

Anna Kycko

Department of Pathology, National Veterinary Research InstitutePuławy, Poland
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Kycko, Anna
, 
Łukasz Radulski

Łukasz Radulski

Department of MicrobiologyPuławy, Poland
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Radulski, Łukasz
, 
Marek Lipiec

Marek Lipiec

Department of MicrobiologyPuławy, Poland
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Lipiec, Marek
 und 
Marcin Weiner

Marcin Weiner

Pope John Paul II State School of Higher EducationBiała Podlaska, Poland
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Weiner, Marcin
  
25. März 2022
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Online veröffentlicht: 25. März 2022
Seitenbereich: 53 - 59
Eingereicht: 12. Jan. 2022
Akzeptiert: 01. März 2022
DOI: https://doi.org/10.2478/jvetres-2022-0012
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© 2022 M. Krajewska-Wędzina et al. published by Sciendo
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Fig. 1

Lung of alpaca no. 2 showing tubercular lesions
Lung of alpaca no. 2 showing tubercular lesions

Fig. 2

Lung of alpaca no. 2 showing granulomatous lesions with necrotic centres (triangles) surrounded by macrophages and lymphoid cells infiltrating the lung parenchyma. Haematoxylin and eosin staining. Bar = 50μm
Lung of alpaca no. 2 showing granulomatous lesions with necrotic centres (triangles) surrounded by macrophages and lymphoid cells infiltrating the lung parenchyma. Haematoxylin and eosin staining. Bar = 50μm

Fig. 3

Lung of alpaca no. 2 showing granulomatous lesions compounded by cellular debris (black triangle) surrounded by palisading spindle-shaped macrophages at the edges of the necrotic areas (white arrows) with rare presence of large multinucleated cells (black arrow). An infiltration of lymphocytes, plasma cells and fewer neutrophils scattered between the macrophages is visible on the left side of the photograph. Haematoxylin and eosin staining. Bar = 50μm
Lung of alpaca no. 2 showing granulomatous lesions compounded by cellular debris (black triangle) surrounded by palisading spindle-shaped macrophages at the edges of the necrotic areas (white arrows) with rare presence of large multinucleated cells (black arrow). An infiltration of lymphocytes, plasma cells and fewer neutrophils scattered between the macrophages is visible on the left side of the photograph. Haematoxylin and eosin staining. Bar = 50μm

Fig. 4

Liver of alpaca no. 2 showing a granulomatous lesion with a necrotic centre (black triangle) surrounded by macrophages, neutrophils and lymphoid cells infiltrating hepatic parenchyma (white arrows). Haematoxylin and eosin staining. Bar = 50μm
Liver of alpaca no. 2 showing a granulomatous lesion with a necrotic centre (black triangle) surrounded by macrophages, neutrophils and lymphoid cells infiltrating hepatic parenchyma (white arrows). Haematoxylin and eosin staining. Bar = 50μm

Fig. 5

Lymph node of alpaca no. 2 showing granulomatous lesions with areas of extensive caseous necrosis (black triangles) surrounded by macrophages and lymphoid cells. Haematoxylin and eosin staining. Bar = 50μm
Lymph node of alpaca no. 2 showing granulomatous lesions with areas of extensive caseous necrosis (black triangles) surrounded by macrophages and lymphoid cells. Haematoxylin and eosin staining. Bar = 50μm

Fig. 6

Lung of alpaca no. 2 showing acid-fast bacilli visible as red-stained rod-shaped microorganisms (arrows). Acid-fast bacillus staining. Bar = 5μm
Lung of alpaca no. 2 showing acid-fast bacilli visible as red-stained rod-shaped microorganisms (arrows). Acid-fast bacillus staining. Bar = 5μm
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